Cisco 7965G Administration Guide - Page 21

Chapter 1 An Overview of the Cisco Unified IP Phone What Features are Supported on the Cisco Unified IP Phone 7965G and 7945G? Table 1-1 Supported Networking Protocols on the Cisco Unified IP Phone (continued) Networking Protocol Purpose Usage Notes Transmission Control TCP is a connection-oriented Protocol (TCP) transport protocol. Cisco Unified IP Phones use TCP to connect to Cisco Unified Communications Manager and to access XML services. Transport Layer Security (TLS) TLS is a standard protocol for securing and authenticating communications. When security is implemented, Cisco Unified IP Phones use the TLS protocol when securely registering with Cisco Unified Communications Manager. Trivial File Transfer Protocol (TFTP) TFTP allows you to transfer files over the network. On the Cisco Unified IP Phone, TFTP enables you to obtain a configuration file specific to the phone type. TFTP requires a TFTP server in your network, which can be automatically identified from the DHCP server. If you want a phone to use a TFTP server other than the one specified by the DHCP server, you must manually assign TFTP server from the Network Configuration menu on the phone. User Datagram Protocol UDP is a connectionless messaging Cisco Unified IP Phones transmit and receive RTP streams, (UDP) protocol for delivery of data packets. which utilize UDP. Related Topics • Understanding Interactions with Other Cisco Unified IP Communications Products, page 2-1 • Understanding the Phone Startup Process, page 2-7 • Network Configuration Menu, page 4-5 What Features are Supported on the Cisco Unified IP Phone 7965G and 7945G? The Cisco Unified IP Phone functions much like a digital business phone, allowing you to place and receive telephone calls. In addition to traditional telephony features, the Cisco Unified IP Phone includes features that enable you to administer and monitor the phone as a network device. This section includes the following topics: • Feature Overview, page 1-7 • Configuring Telephony Features, page 1-8 • Configuring Network Parameters Using the Cisco Unified IP Phone, page 1-8 • Providing Users with Feature Information, page 1-9 Feature Overview Cisco Unified IP Phones provide traditional telephony functionality, such as call forwarding and transferring, redialing, speed dialing, conference calling, and voice messaging system access. Cisco Unified IP phones also provide a variety of other features. For an overview of the telephony features that the Cisco Unified IP Phone supports, see the "Telephony Features Available for the Phone" section on page 5-2. OL-14641-01 Cisco Unified IP Phone 7965G and 7945G Administration Guide for Cisco Unified Communications Manager 6.1 1-7